Endovascular Therapy for Infrainguinal Artery Disease With Coronary Devices: A Retrospective Observational Study Comparing Drug-Eluting Stents Versus Bioresorbable Vascular Scaffolds.

Abstract

Several devices are available for infrainguinal endovascular therapy, with drug-eluting stents (DES) among the most promising. Bioresorbable vascular scaffolds (BVS) may further improve outcomes. We have liberally used in our practice coronary DES and BVS for infrainguinal endovascular therapy and hereby report our preliminary results. We conducted an observational study by retrospectively identifying characteristics of patients undergoing infrainguinal implantation of coronary DES or BVS. We compared the risk of major adverse events (MAE: death, amputation, or target vessel revascularization [TVR]) and components of MAE in the overall sample and after propensity matching. We included a total of 204 patients (207 limbs), 148 (72.5%) treated with DES and 56 (27.5%) with BVS. Bivariate analysis showed that TVR was less common in the DES group (41.9% vs 18.4%, P = .014). However, propensity-matched analysis showed nearly identical risks of MAE, amputation, TVR, or symptom burden with DES and BVS (all P > .05). In conclusion, the present pilot experience with coronary BVS suggests that they could provide acceptable results for infrainguinal endovascular procedures, comparable to those obtained by their metallic counterpart.